Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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Introducing the cutting-edge (H)GWBEB type outdoor high-voltage isolation switch, also known as the isolation disconnect switch. Engineered with precision for use on 10(12, 15, 24)kV high voltage power transmission and distribution lines, this advanced switch expertly manages the seamless opening and closing of both single-phase and three-phase circuits. It operates with utmost efficiency without being under any load, while still managing the presence of voltage, ensuring an unparalleled level of safety and reliability.
This switch represents a pinnacle of engineering excellence, designed specifically for single-phase applications within three-phase line systems. Noteworthy for its simple structure, cost-efficiency, and ease of use, this switch accommodates a wide range of rated currents: 200, 400, 600, 800, 1000, and 1250 amps. The design includes a sturdy base, robust post insulators, premium conductive parts, and an efficient mechanical section. Its innovative gate knife structure optimizes circuit operations, with each phase's gate knife comprising dual conductive blades. External compression springs on either side guarantee optimal contact pressure, adjustable through strategic modification of the spring height. Operation is straightforward using an insulated hook stick, and a convenient self-locking device offers enhanced security.
Working Environment:
Crafted to perform with excellence at altitudes not exceeding 1000 meters;
Capable of enduring ambient temperatures: maximum not above +40°C; minimum not below -30°C;
Built to sustain performance with outdoor wind speeds up to 35 meters per second;
Ruggedly constructed to withstand seismic intensities up to 8 degrees; ideal for installation sites with minimal severe vibrations.
For peak performance, ensure the installation site is devoid of gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive mediums that might severely impede the switch's insulation and conductivity.
Note:
SHOULD CONDITIONS SURPASS THE SPECIFIED NORMAL USE PARAMETERS, USERS ARE ADVISED TO CONSULT WITH THE COMPANY TO DISCUSS OPTIMAL SOLUTIONS.
Installation, Use and Adjustment
Pre-installation Work
Ensure prolonged functionality by conducting annual inspections of the following parts:
Meticulously clear any dirt from conductive parts, contact surfaces, and the insulating porcelain bottle’s surface, preserving full functionality.
Inspect all components thoroughly for potential damage, paying special attention to any damage or cracks in the insulating porcelain bottle.
Verify that the contact surface of the conductive part remains in exemplary condition, guaranteeing efficient operation.
The main technical parameters |
Table I |
|||||||||
Model |
Rated voltage |
Rated current |
kA |
10 seconds thermal stable current |
||||||
peak |
Valid values |
|||||||||
(H)GW
|
10 |
200 |
5 |
9 |
5 |
|||||
400 |
21 |
15 |
10 |
|||||||
600 |
35 |
25 |
14 |
|||||||
630 |
35 |
25 |
14 |
|||||||
800 |
35 |
25 |
14 |
|||||||
1000 |
50 |
35 |
20 |
|||||||
Contact force parameters |
Table II |
|||||||||
Model |
Rated current(A) |
contact pressure(kgf) |
||||||||
(H)GW |
5 |
9 |
||||||||
21 |
15 |
|||||||||
35 |
25 |
|||||||||
35 |
25 |
|||||||||
35 |
25 |
|||||||||
50 |
35 |